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Figure 4 | Nanoscale Research Letters

Figure 4

From: Microwave fabrication of Cu2ZnSnS4 nanoparticle and its visible light photocatalytic properties

Figure 4

Photocatalytic activity of the Cu 2 ZnSnS 4 nanoparticle toward the photodegradation of methylene blue (MB). (a) Time-dependent UV-vis absorbance spectra of the MB solution using the prepared Cu2ZnSnS4 nanoparticle as a photocatalyst. (b) Curves of the degradation rate of the MB dye with the prepared Cu2ZnSnS4 nanoparticle (C0 is the initial concentration of MB; C is the reaction concentration of MB at time t). The inset shows the ln(C0/C) versus time curve of the photodegradation of MB. (c) Time-dependent UV-vis absorbance spectra of the MB solution using the prepared Cu2ZnSnS4 nanoparticle and 0.1 mL H2O2 as photocatalysts. (d) Curves of the degradation rate of the MB dye with the prepared Cu2ZnSnS4 nanoparticle and 0.1 mL H2O2 as photocatalysts. The inset presents the ln(C0/C) versus time curve of the photodegradation of MB.

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